Home / 72,620,674.50-100,216,567.98-41,258,777.79

Finding the Fourth Proportional to 72,620,674.50, 100,216,567.98 and 41,258,777.79

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Solution

The fourth proportional to 72,620,674.50, 100,216,567.98 and 41,258,777.79 is: 56,937,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,620,674.50 : 100,216,567.98 = 41,258,777.79 : x
  2. Step 2: Convert to fraction form
    72,620,674.50/100,216,567.98 = 41,258,777.79/x
  3. Step 3: Cross multiply
    72,620,674.50x = 100,216,567.98 × 41,258,777.79
  4. Step 4: Simplify right side
    72,620,674.50x = 4,134,813,109,163,249
  5. Step 5: Solve for x
    x = 4,134,813,109,163,249/72,620,674.50
  6. Step 6: Final answer
    x = 56,937,134.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.